Decoding Your 4l80e ID Tag the Easy Way
If you're staring at a greasy transmission case in a junkyard or your own garage, using a 4l80e id tag decoder is the only way to know exactly what you're dealing with. These transmissions are absolute tanks, but GM made a lot of changes over the two decades they were in production. You don't want to buy a unit thinking it's a late-model version only to realize it won't bolt up to your LS swap without a major headache. ...